U6 Gas Laws Practice Exam

When a quantity of electricity is converted to heat, the heat energy produced is measured in

• amperes

• joules

• volts

• degrees

As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy

• decreases

• increases

• remains the same

Tags

NGSS.MS-PS1-4

At which temperature would the molecules in a one gram sample of water have the lowest average kinetic energy?

• 10 K

• 5°C

• -100°C

• 5 K

In which flask do the molecules of H2O have the greatest average kinetic energy?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-5

Two samples of gold that have different temperatures are placed in contact with one another. Heat will flow spontaneously from a sample of gold at 60°C to a sample of gold that has a temperature of

• 80°C

• 70°C

• 50°C

• 60°C

Tags

NGSS.HS-PS3-4

What is the equivalent of 0 Kelvin on the Celsius scale?

• -100°

• -273°

• 100°

• 273°

Which graph best shows the relationship between Kelvin temperature and average kinetic energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS3-2

The temperature of a substance is a measure of its particles

• average potential energy

• specific heat

• average kinetic energy

• total energy

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

Which Kelvin temperature is equal to -73°C?

• 346 K

• 200 K

• 173 K

• 100 K

As ice at 0°C changes to water at 0°C, the average kinetic energy of the ice molecules

• decreases

• increases

• remains the same

Tags

NGSS.MS-PS1-4